Naming Carboxylic Acids and Nitriles Nitriles also named as carboxylic acid derivatives by replacing -ic acid or-oic acid ending with-onitrile or by replacing the -carboxylic acid ending with-carbonitrile C三N CN CH3C=N CH3 Acetonitrile Benzonitrile 2,2-Dimethylcyclohexanecarbonitrile (from acetic acid) (from benzoic acid) (from 2,2-dimethylcyclohexane- carboxylic acid)Nitriles also named as carboxylic acid derivatives by replacing –ic acid or –oic acid ending with –onitrile or by replacing the –carboxylic acid ending with –carbonitrile Naming Carboxylic Acids and Nitriles